Razširjenost izbranih tujerodnih invazivnih rastlinskih vrst v obrežnem pasu reke Krke od Krške vasi do Otočca

Abstract

Keywords

Data

Language:	Slovenian
Year of publishing:	2013
Source:	Ljubljana
Typology:	2.11 - Undergraduate Thesis
Organization:	UL BF - Biotechnical Faculty
Publisher:	[N. Brčon]
UDC:	581.524.2(043.2)
COBISS:	9787977
Views:	1235
Downloads:	196
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	English
Secondary title:	The distribution of selected alien invasive plant species in the riparian zoneof the river Krka from Krška vas to Otočec
Secondary abstract:	The purpose of the thesis is to find occurrence, spread and numbers of selected invasive, non-native plant species along the Krka river. Field work was done during the growth season of 2012. We listed the area from the spring of the Krka river in Krška vas to Otočec castle. Listing area was divided to 73 sections of various lengths. Length of sections depended on environmental factors or changes in occurrence of invasive non-native plant species. We evaluated each section with a survey on environmental factors situation and listed invasive non-native plant species on both riverbanks. We have listed 13 invasive non-native species. The most commonly occurring species are Ambrosia artemisiifolia, Echinocystis lobata, Erigeron annuus, and Robinia pseudoacacia. We have determined their phenological stages, occurrence, vitality, life form, and occurrence on riverbanks. With canonical correspondence analysis, we have determined a relation between environmental factors and invasive plants. The largest share of species' variability is explained by riverbed and vegetation's riparian zone. On left riverbank, variability also depended on contiguousness of riparian vegetation, while it depended on changes of riverbed on right riverbank.
Secondary keywords:	botany;botanika;
File type:	application/pdf
Type (COBISS):	Undergraduate thesis
Thesis comment:	Univ. Ljubljana, Pedagoška fak., Biotehniška fak., Biologija in gospodinjstvo
Pages:	XII, 87 f.
Type (ePrints):	thesis
Title (ePrints):	The distribution of selected alien invasive plant species in the riparian zone of the river Krka from Krška vas to Otočec
Keywords (ePrints):	tujerodne rastline
Keywords (ePrints, secondary language):	foreign species
Abstract (ePrints):	Namen diplomskega dela je ugotovitev pojavljanja, razporeditve in številčnosti izbranih invazivnih tujerodnih rastlinskih vrst ob reki Krki. Delo je potekalo na terenu v rastni sezoni leta 2012. Popisali smo območje od izvira reke Krke v Krški vasi do gradu Otočec. Območje popisovanja smo razdelili na 73 odsekov, ki so bili različno dolgi. Dolžina odsekov je bila odvisna od sprememb okoljskih dejavnikov ali od sprememb v pojavljanju invazivnih tujerodnih rastlinskih vrst. Pri vsakem odseku smo s pomočjo vprašalnika izdelali oceno stanja okoljskih dejavnikov in popisali invazivne tujerodne rastlinske vrste na obeh bregovih reke. Popisali smo 13 invazivnih tujerodnih vrst. Najpogosteje so se pojavljale vrste Ambrosia artemisiifolia, Echinocystis lobata, Erigeron annuus in Robinia pseudoacacia,. Določili smo njihovo fenološko fazo, pogostost, vitalnost, življenjsko obliko in pojavnost glede na obrežni pas. S kanonično korespondenčno analizo smo dokazali povezavo med okoljskimi dejavniki in invazivkami. Največji delež variabilnosti vrst pojasnita oblika struge in širina cone obrežne vegetacije. Na levem bregu je bila variabilnost odvisna tudi od sklenjenosti obrežne vegetacije, na desnem bregu pa od sprememb struge.
Abstract (ePrints, secondary language):	The purpose of the thesis is to find occurrence, spread and numbers of selected invasive, non-native plant species along the Krka river. Field work was done during the growth season of 2012. We listed the area from the spring of the Krka river in Krška vas to Otočec castle. Listing area was divided to 73 sections of various lengths. Length of sections depended on environmental factors or changes in occurrence of invasive non-native plant species. We evaluated each section with a survey on environmental factors situation and listed invasive non-native plant species on both riverbanks. We have listed 13 invasive non-native species. The most commonly occurring species are Ambrosia artemisiifolia, Echinocystis lobata, Erigeron annuus, and Robinia pseudoacacia. We have determined their phenological stages, occurrence, vitality, life form, and occurrence on riverbanks. With canonical correspondence analysis, we have determined a relation between environmental factors and invasive plants. The largest share of species' variability is explained by riverbed and vegetation's riparian zone. On left riverbank, variability also depended on contiguousness of riparian vegetation, while it depended on changes of riverbed on right riverbank.
Keywords (ePrints, secondary language):	foreign species
ID:	8311723